### Begin of the insertionSteps to reproduce

1. Go to the backlogs module

1. If you have the demo projects, go to the Scrum project, then choose Backlogs in the left pane

2. From a "sprint box", click the down arrow in the top-right corner. A menu opens. Select the menu entry "Stories/Task"

1. a work package list is displayed with user stories, tasks and bugs

3. Add a filter of type "Backlog type"

4. Set the "Backlog type" to either "Task", "Impediment", or "any" ("Story" is the only one which works)


### What is the buggy behavior?

* Error is displayed


#### Screenshots

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/700047/content">

### What is the expected behavior?

1. Filter is applied


###End of the insertion Logs

[https://appsignal.com/openproject-gmbh/sites/673c8d4183eb67dcd6c4e764/exceptions/incidents/937](https://appsignal.com/openproject-gmbh/sites/673c8d4183eb67dcd6c4e764/exceptions/incidents/937)
[https://appsignal.com/openproject-gmbh/sites/6813715a55b0b20ed373597c/exceptions/incidents/961](https://appsignal.com/openproject-gmbh/sites/6813715a55b0b20ed373597c/exceptions/incidents/961)

```text
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:141 OpenProject::Backlogs::WorkPackageFilter#is_child_sql
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:127 OpenProject::Backlogs::WorkPackageFilter#sql_for_task
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:100 block in OpenProject::Backlogs::WorkPackageFilter#sql_for_field
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:95 Array#map
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:95 OpenProject::Backlogs::WorkPackageFilter#sql_for_field
modules/backlogs/lib/open_project/backlogs/work_package_filter.rb:51 OpenProject::Backlogs::WorkPackageFilter#where
app/models/query.rb:376 block in Query#statement
app/models/query.rb:376 Array#map
app/models/query.rb:376 Query#statement
app/models/query/results.rb:79 Query::Results#filtered_work_packages
app/models/query/results.rb:53 Query::Results#sorted_work_packages_matching_the_filters_today
app/models/query/results.rb:45 Query::Results#work_packages
app/services/api/v3/work_package_collection_from_query_service.rb:58 API::V3::WorkPackageCollectionFromQueryService#results_to_representer
app/services/api/v3/work_package_collection_from_query_service.rb:47 API::V3::WorkPackageCollectionFromQueryService#call
lib/api/v3/queries/helpers/query_representer_response.rb:38 block in API::V3::Queries::Helpers::QueryRepresenterResponse#query_representer_response
lib/api/root_api.rb:261 API::RootAPI::Helpers#raise_invalid_query_on_service_failure
lib/api/v3/queries/helpers/query_representer_response.rb:35 API::V3::Queries::Helpers::QueryRepresenterResponse#query_representer_response
lib/api/v3/queries/queries_by_project_api.rb:52 block (3 levels) in <class:QueriesByProjectAPI>
vendor/plugins/openproject-multitenancy/lib/multitenancy/elevators/mapped_domain_elevator.rb:106 block in Multitenancy::Elevators::MappedDomainElevator#call_tenant
vendor/plugins/openproject-multitenancy/lib/multitenancy/elevators/mapped_domain_elevator.rb:103 Multitenancy::Elevators::MappedDomainElevator#call_tenant
vendor/plugins/openproject-multitenancy/lib/multitenancy/elevators/mapped_domain_elevator.rb:69 Multitenancy::Elevators::MappedDomainElevator#try_tenant
vendor/plugins/openproject-multitenancy/lib/multitenancy/elevators/mapped_domain_elevator.rb:39 Multitenancy::Elevators::MappedDomainElevator#call
```